نتایج جستجو برای: numerical taxonomy

تعداد نتایج: 361755  

Journal: :The Iraqi Journal of Agricultural science 2022

Sida is a pantropical weed that can be annual or perennial. Several species have been identified in Indonesia. cordifolia, S. rhombifolia, alnifolia, rhomboidea, acuta, glutinosa, and mysorensis were chosen for this study because they are representative of the extensively spread This aims to update taxonomic information on genus A phenogram was created using data derived from scoring 70 morphol...

Journal: :European Journal of Operational Research 2000
Ricardo Ernst Bardia Kamrad

This paper introduces a conceptual framework for evaluating di€erent supply chain structures in the context of modularization and postponement. In our analysis, modularization is linked to inbound logistics as the combination of di€erent components (or modules) allow for the assembly of the ®nal product. Postponement, however, corresponds with the outbound logistics since it is through the dist...

2013
Dennis M. Steininger Manuel Trenz Daniel Veit

Classification schemes such as taxonomies are important groundwork for research on many topics in Information Systems (IS) and Management. They make investigating topics manageable by allowing researchers to delimit their work to certain taxa or types and provide a basis for generalization. Opposed to theoretically grounded typologies, taxonomies are empirically derived from entities of a pheno...

2000
Ed Huai-hsin Chi

In previous work, researchers have attempted to construct taxonomies of information visualization techniques by examining the data domains that are compatible with these techniques. This is useful because implementers can quickly identify various techniques that can be applied to their domain of interest. However, these taxonomies do not help the implementers understand how to apply and impleme...

1995
Douglas Tudhope Carl Taylor Paul Beynon-Davies

Hypermedia museum exhibits will often be indexed acording to different criteria. This paper discusses an approach to hypermedia design for museum applications that attempts to capture underlying semantic relationships between conceptual terms in a separate index space. A distance measure over the index space makes possible high level navigation tools to assist users unfamiliar with the organisa...

2016
Jiang Wang Tao Liu Bo Zhao Qixuan Lu Zheng Wang Yuan Cao Wuju Li

Bacterial sRNAs are a class of small regulatory RNAs of about 40-500 nt in length; they play multiple biological roles through binding to their target mRNAs or proteins. Therefore, elucidating sRNA targets is very important. However, only targets of a few sRNAs have been described. To facilitate sRNA functional studies such as developing sRNA target prediction models, we updated the sRNATarBase...

2003
Alberto A. C. Sampaio A. Sampaio

The main goal of this study is the comparison and classification of software process assessment methods. The study is exploratory and empirical, as the methodology used. The methodology, based on numerical taxonomy, was developed by the author and is described very briefly. In the study eight methods were classified, based on 112 characters selected from an initial set of 165 discovered charact...

2009
JEFFREY PODOS SUSAN PETERS

Although songtypes are generally considered to be important functional units in birdsong, they have not been well-characterized in terms of withinand between-songtype variation. We analyzed the song repertoires of 12 adult male song sparrows (Melospiza melodia) from a population in New York. We identified minimal units of production (MUPs), and calculated the degree to which song variants withi...

Journal: :IJPRAI 2011
Sandro Vega-Pons José Ruiz-Shulcloper

Cluster ensemble has proved to be a good alternative when facing cluster analysis problems. It consists of generating a set of clusterings from the same dataset and combining them into a ̄nal clustering. The goal of this combination process is to improve the quality of individual data clusterings. Due to the increasing appearance of new methods, their promising results and the great number of ap...

Journal: :CoRR 2001
Juan-Manuel Torres-Moreno Patricia Velázquez-Morales Jean Guy Meunier

Since information in electronic form is already a standard, and that the variety and the quantity of information become increasingly large, the methods of summarizing or automatic condensation of texts is a critical phase of the analysis of texts. This article describes Cortex a system based on numerical methods, which allows obtaining a condensation of a text, which is independent of the topic...

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